Erdafitinib
Balversa (erdafitinib) is a prescription oral medication classified as a kinase inhibitor used to treat adults with advanced or metastatic urothelial carcinoma (bladder cancer) that has specific FGFR3 or FGFR2 genetic mutations and has progressed during or after platinum-based chemotherapy. It targets and blocks FGFR proteins to slow cancer growth.
Targeted therapy for FGFR-mutated advanced bladder cancer in adults.
Key facts at a glance
- RxNorm
- 2123132
- Generic
- Balversa
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treatment of adults with locally advanced or metastatic urothelial carcinoma (bladder cancer) that has FGFR3 or FGFR2 genetic mutations and has progressed during or after platinum-containing chemotherapy. Genetic testing for these mutations is required before starting treatment.
Balversa is a fibroblast growth factor receptor (FGFR) inhibitor that works by blocking FGFR1, FGFR2, FGFR3, and FGFR4 activity, thereby inhibiting tumor cell proliferation and survival in cancers with FGFR genetic alterations.
Take orally once daily with or without food. Common side effects include skin reactions, nail disorders, eye problems, and fatigue. Can cause serious eye problems requiring prompt evaluation. Contraindicated in pregnancy due to fetal harm. May cause phosphate levels to increase. Inform your doctor of all medications and health conditions before starting treatment.
Official drug label
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed September 3, 2026. · Read our editorial policy